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// Copyright 2014 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
#define CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
#include <stdlib.h>
#include <vector>
// A poor man's ScopedVector for pointers of TYPE.
// Owns all the pointers contained within and deletes them on destruction.
template <class TYPE>
class CJBig2_List {
public:
CJBig2_List() {}
explicit CJBig2_List(size_t count) { resize(count); }
~CJBig2_List() {
clear();
}
TYPE* get(size_t index) const { return m_vector[index]; }
TYPE* back() const { return m_vector.back(); }
size_t size() const { return m_vector.size(); }
// Deletes all the pointers contained within.
void clear() {
for (size_t i = 0; i < m_vector.size(); ++i)
delete m_vector[i];
m_vector.clear();
}
// Takes ownership of |pItem|.
void push_back(TYPE* pItem) { m_vector.push_back(pItem); }
// Takes ownership of |pItem|.
void set(size_t index, TYPE* pItem) {
delete m_vector[index];
m_vector[index] = pItem;
}
void resize(size_t count) {
for (size_t i = count; i < size(); ++i)
delete m_vector[i];
m_vector.resize(count);
}
private:
std::vector<TYPE*> m_vector;
};
#endif // CORE_SRC_FXCODEC_JBIG2_JBIG2_LIST_H_
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